Boeing B777 – Flight controls - SmartCockpit - Airline training guides, Aviation, Operations, Safety

What happens when the stabilizer signal is not present or is invalid?

The CDU displays the VERIFY TRIM message in the scratchpad

The EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

The green band and the pointer are not displayed

Correct! Wrong!

Do the ailerons increase lift for takeoff?

No the ailerons are used only at high speed

Yes the ailerons move down with flaps 5, 15 and 20.

Yes the ailerons move down with flaps 15 and 20.

No, the ailerons assist roll control only during high speed flight.

Correct! Wrong!

Which spoilers are available as speedbrakes (secondary and direct modes)?

Spoilers 5,10

Spoilers 4,11

Spoilers 1-7

None. Speedbrakes are disabled.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The stabilizer is locked in place.

Power to all STCMs is shut off.

Power to the affected STCM is shut off.

The A/P engages automatically.

Correct! Wrong!

Which of the following is true when the flight control system is operating in secondary mode?

The Primary Flight Computers (PFCs) are NOT available.

Autopilot and envelope are NOT available.

Envelope protection features are available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

When are pitch trim changes required with the 777 'fly-by-wire' system?

When thrust is changed.

When the landing gear is extended.

For all configuration changes.

During airspeed changes only.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

There are three different displays: Primary, Secondary and Alternate.

The flap position indicator appears on EICAS when flaps begin to extend.

The flap position indicator is on the PFD.

The flap position indicator is magenta when slats and flaps are in transit.

Correct! Wrong!

What principle is used when direct mode is in use?

Direct control surface deflection.

Mechanical linkage.

Electric signals.

Hydraulic signal modulation.

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

Stick shaker activates.

In landing configuration, leading slats move to gapped position.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Increased wing lift and decreased stall speed.

Correct! Wrong!

When do the PFCs make self-test?

After hydraulic system shutdown (HYD PRESS SYS L+C+R).

After hydraulic system depressurization.

After the "PRIMARY FLIGHT COMPUTERS" EICAS message is displayed.

After hydraulic system pressurization.

Correct! Wrong!

Which one of the following statements is false?

When augmenting roll control, the spoilers work asymmetrically.

At cruise speed, spoilers 5 and 10 are locked out.

Spoilers 4 and 11 are mechanically operated.

There are 12 spoilers.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to control rudder trim with control wheel inputs.

Ability to override rudder inputs with the control wheel inputs.

Ability to dampen Dutch roll with control wheel only.

Ability to control initial effects of an engine failure with control wheel only.

Correct! Wrong!

What is the correct statement?

Moving the alternate pitch trim levers with the autopilot engaged does not move the stabilizer.

All statements are correct.

Moving the alternate pitch trim levers during stall or overspeed protection does not move the stabilizer

Aileron trim in inhibited when the autopilot is engaged.

Correct! Wrong!

In the normal mode, a control column input or trim change is required to maintain a constant flight path:

All statements are correct.

During flap extension or retraction

During speedbrake extension or retraction.

During airspeed changes.

Correct! Wrong!

Which spoilers will be locked out in secondary and direct modes?

Spoilers 8 to 14

Spoilers 1 and 14

Spolers 5 and 10

Spoilers 1 to 7

Correct! Wrong!

Which of the following is true when the flight control system is operating in secondary mode?

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Envelope protection features are NOT available.

The autopilot is available.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 10 spoiler panels.

A total of 14 spoiler panels.

A total of 8 spoiler panels.

A total of 12 spoiler panels.

Correct! Wrong!

What is true about turn compensation?

It is not available if the bank angle is above 30 degrees.

Elevator input is NOT required if the airplane is in a 30 degree bank.

It is available only in the secondary mode.

The turn compensation switch is on the overhead panel.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

When airspeed is reduced the flap automatically re-extend as airspeed allows.

The Flap lever does not move during flap condition and shows actual flap position.

Re-extension is limited to the commended flap position.

Flap load relief is available in the primary and secondary modes.

Correct! Wrong!

When do the control wheel stabilizer trim switches control stabilizer movement directly?

All the time.

Only during approaches.

During engine out go-arounds.

Only on the ground.

Correct! Wrong!

What causes the SPEEDNRAKE EXTENDED message to display on the EICAS?

Speedbrake is down when either thrust lever is advanced to a takeoff position.

Speedbrake is UP after landing.

On the ground when either reverse thrust lever is moved to the reverse idle detent.

Speedbrake is extended when radio altitude is between 15 and 800 ft.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

The message is displayed when the flap drive mechanism has been shut down due to an asymmetry.

The EICAS flap indicator display turns magenta.

The flaps will operate in secondary mode.

Arm the alternate system.

Correct! Wrong!

Automatic speed-brake operation is provided for which flight control system modes?

Direct.

Secondary.

Normal.

All flight control modes.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

Speedbrakes are extended and landing flaps are selected or RA is between 15 and 800 feet.

Speedbrakes are extended and the airplane is above 800 feet RA.

Any time speed-brakes are extended.

After landing, if speed-brakes fail to extend.

Correct! Wrong!

What is the effect of placing a stabilizer cutout switch to cutout?

Disable direct rudder control.

Disconnects hydraulic supply to STCM.

Connects hydraulic supply to STCM.

Engages gust suppression.

Correct! Wrong!

Which of the following is not a stall protection feature?

The out-of-trim forces increase above normal for a condition above the minimum manoeuvre speed.

Stab trim is inhibited in the nose up direction at approximately the minimum manoeuvring speed.

The pilot must apply continuous aft column force to maintain airspeed below the manoeuvring speed.

Use of alternate pitch trim levers reduces the column forces below the minimum manoeuvring speed.

Correct! Wrong!

What power source is used for the actuation of all primary flight controls?

Pneumatic.

Electric.

Hydraulic.

Mechanical.

Correct! Wrong!

Where - and when - is the stabilizer "green band" displayed?

Only in flight, on control wheel.

Always on EICAS

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

Correct! Wrong!

What is the maximum speed of wheel to rudder cross-tie operation?

180 knot.

220 knot.

200 knot.

210 knot.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Multiple flight control surfaces are inoperative.

Flight control system is operating in the secondary mode.

The Flap/Slat electronics units are inoperative.

Flight control system faults are detected.

Correct! Wrong!

A wheel to rudder cross-tie function provides the capability of being able to control the initial effects of an engine failure using control wheel inputs only. How many degrees of rudder deflection can be obtained from control wheel inputs?

8 degrees.

13 degrees.

7.5 degrees.

9.5 degrees.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats only.

Slats and spoilers.

Ailerons and flaperons.

Flaperons and slats.

Correct! Wrong!

What is FALSE about stabilizer trim?

You can use the pitch trim switches on the yoke to set the trim.

As airspeed increases, trim rate decreases.

The green band on the stabilizer position indicator shows the stabilizer trim range for take-off.

As airspeed increases, trim rate increases.

Correct! Wrong!

In direct mode, which of the following components of fly-by-wire are NOT operating?

Actuator Control Electronics (ACES).

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

Position feedback transducers.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

Only PFCs

It is not possible.

Both PFCs and ACEs

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Flight control modes are not affected.

The system is in direct mode

The system is in the secondary mode.

The system is in primary mode.

Correct! Wrong!

What is the meaning of the EICAS advisory message STABILIZER CUTOUT?

The centre stabilizer control path is inoperative

Stabilizer asymmetry compensation is inoperative.

Both stabilizer cut-out switches are in the CUTOUT position.

One stabilizer cut-out switch is in the CUTOUT position.

Correct! Wrong!

Which control surfaces are used for roll control on the B777?

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Ailerons, flaperons and slats.

Ailerons, flaperons and spoilers.

Correct! Wrong!

Auto speed-brakes protection is provided for which phases of flight?

Take-off, rejected take-off and landing.

Take-off, rejected take-off and approach below 200 feet.

Take-off, rejected take-off, approach and landing.

Take-off, rejected take-off and approach.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When an engine is at idle thrust.

When engine thrust loss is sensed in the normal and secondary mode.

When one engine differs by 10 present or more from the other engine.

When the engine is damaged or surges.

Correct! Wrong!

Which of these flight control surfaces droop when the trailing edge flaps extend?

Flaperons and slats.

Krueger flaps and slats.

Flaperons.

Slats only.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Trim control pitch

Control wheel pitch trim switches.

Alternate control pitch trim.

Alternate pitch trim levers.

Correct! Wrong!

What does stall warning consist of?

Stall warning horn.

Stick shaker but NO stall warning.

Stick shaker followed by stall warning.

EICAS message 'STALL'.

Correct! Wrong!

Which pair of spoilers is mechanically controlled through a cable from the control wheel?

Spoilers 5 and 8.

Spoilers 5 and 10.

Spoilers 4 and 11.

Spoilers 1 and 14.

Correct! Wrong!

Which statement is true when the primary flight computer disconnect switch is positioned to DISC?

Autopilot is not available.

All statements are correct.

The system operates in direct mode

Protection features are NOT available.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Flaperons and slats.

Krueger flaps, slats and spoilers.

Slats and spoilers only.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 5 and 10 are available as ground spoilers only.

The spoilers augment roll control.

The extension of speed-brakes in the landing configuration is prohibited.

Spoilers 4 and 11 are mechanically operated.

Correct! Wrong!

What are the initial steps to extend the flaps using the alternate flap system?

Arm ALT FLAPS ARM switch. Select ALT FLAPS selector to EXT.

Arm ALT FLAPS ARM switch. Select ALT FLAPS selector to OFF.

Arm ALT FLAPS ARM switch. Select NORMAL FLAPS selector to 20.

Push ALT FLAPS ARM switch. Select ALT FLAPS selector to EXT.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

The levers move the stabilizer directly at all times.

When the autopilot is disengaged.

During flight control secondary and direct modes.

Only on the ground.

Correct! Wrong!

Which of the following is not correct concerning the flight control system when operating in secondary mode?

All spoilers remain usable.

Envelope protection features are NOT available.

Thrust Asymmetry is NOT available.

Autopilot and envelope protection are NOT available.

Correct! Wrong!

What could cause the STAB GREENBAND EICAS message to be displayed?

The FMC weight entry and CG may be incorrect.

Power to the stabilizer position indicator is lost.

The stabilizer position indicator is unreliable.

All statements are correct.

Correct! Wrong!

In direct mode, which of the following components of the primary flight control system are NOT operating?

Electro hydraulic servos.

Actuator Control Electronics (ACES).

Secondary FCC.

Primary Flight Computers (PFCs).

Correct! Wrong!

Boeing B777 – Flight controls